Understanding the use of mathematics in the field of economics which includes: understanding the function and supply and demand curves of market balance, the effect of taxes and subsidies on market balance, break even points, calculation of national income, single and partial differential functions, elasticity, marginal value, indefinite integrals and certain integrals, as well as consumer and producer surplus. Understanding of the use of mathematics in economics which includes: understanding the function and supply and demand curves of the market balance, the effect of taxes and subsidies on the market balance, break even points, calculation of national income, single and partial differential functions, elasticity, marginal value, indefinite integral and certain integrals, as well as consumer and producer surplus.